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/* -*- Mode: js2; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
function get_appropriate_ws_url()
{
// From: https://gist.github.com/2428561
var parser = document.createElement('a');
parser.href = document.URL;
// We open the websocket encrypted if this page came on an
// https:// url itself, otherwise unencrypted
if(parser.protocol == "http:")
{
parser.protocol = "ws:";
}
if(parser.protocol == "https:")
{
parser.protocol = "wss:";
}
return parser.href;
}
var socket_node = new WebSocket(get_appropriate_ws_url(), "lws-node-protocol");
try
{
socket_node.onopen = function()
{
var connectEvent = new CustomEvent("connectEvent",
{
detail: {
time: new Date(),
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(connectEvent);
};
socket_node.onmessage = function got_packet(msg)
{
var messageEvent = new CustomEvent("messageEvent",
{
detail: {
message: "recv [" + msg.data + "]",
time: new Date(),
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(messageEvent);
var msgs = new Array();
var idx = 0;
msgs[idx] = '';
var c = 0;
var instring = false;
for(c = 0; c < msg.data.length; c++)
{
if(msg.data[c] == '"' && c > 0 && msg.data[c - 1] != '\\')
{
instring = !instring;
}
if(msg.data[c] == ';' && instring == false)
{
idx++;
msgs[idx] = '';
}
if(msg.data[c] != ';' || instring == true)
{
msgs[idx] += msg.data[c];
}
}
f = 0;
while (f < msgs.length - 1)
{
var msg = new Array();
instring = false;
idx = 0;
// Strip padding and trailing whitespace.
var msgstr = msgs[f].replace(/^\s+||\s+$/g,'');
if(msgstr == ';')
{
f++;
continue;
}
msg[idx] = '';
for(c = 0; c < msgstr.length; c++)
{
if(msgstr[c] == '"' && c > 0 && msgstr[c - 1] != '\\') {
instring = !instring;
continue;
}
if(msgstr[c] == ' ' && instring == false) {
msg[idx] = msg[idx].replace("\\\\","\\").replace("\\\"","\"");
idx++;
msg[idx] = '';
}
if(msgstr[c] != ' ' || instring == true) msg[idx] += msgstr[c];
}
var subscribeid = msg[0];
var cmd = msg[1];
var id = msg[2];
if(cmd == "remove")
{
var removeEvent = new CustomEvent("removeEvent",
{
detail: {
subscribeid: subscribeid,
id: id,
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(removeEvent);
}
else if(cmd == "move")
{
var moveEvent = new CustomEvent("moveEvent",
{
detail: {
subscribeid: subscribeid,
id: id,
parentid: msg[3],
insertBeforeId: msg[4],
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(moveEvent);
}
else if(cmd == "create")
{
var createEvent = new CustomEvent("createEvent",
{
detail: {
subscribeid: subscribeid,
id: id,
parentid: msg[3],
insertBeforeId: msg[4],
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(createEvent);
}
else if(cmd == "update")
{
var updateEvent = new CustomEvent("updateEvent",
{
detail: {
subscribeid: subscribeid,
id: id,
name: unescape(msg[3]),
value: unescape(msg[4]),
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(updateEvent);
}
f++;
}
};
socket_node.onclose = function(){
var disconnectEvent = new CustomEvent("disconnectEvent",
{
detail: {
time: new Date(),
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(disconnectEvent);
};
}
catch(exception)
{
alert('<p>Error' + exception + '</p>');
}
function transmit(msg)
{
//LogEvent(msg);
var messageEvent = new CustomEvent("messageEvent",
{
detail: {
message: "send [" + msg + "]",
time: new Date(),
},
bubbles: true,
cancelable: true
});
document.dispatchEvent(messageEvent);
socket_node.send(msg);
}
function login(user, password)
{
transmit("login "+user+" "+password);
}
function logout()
{
transmit("logout");
}
function subscribe(id)
{
transmit("subscribe "+id);
}
function unsubscribe(id)
{
transmit("unsubscribe "+id);
}
function create(id, parent, before)
{
transmit("create "+id+" "+parent+" "+before);
}
function remove(id)
{
transmit("remove "+id);
}
function update(id, name, value)
{
transmit("update "+id+" "+escape(name)+" "+escape(value));
}
function move(id, parent, before)
{
transmit("move "+id+" "+parent+" "+before);
}
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